.UTW File Extension

File TypeUnity Whirld File

What is a UTW file?

World file created in the Whirld Project format, an open file format created for games developed with the Unity engine; contains a 3D world and related game assets; differs from the standard Unity package format so that other tools can create and edit game content.

More Information

UTW files can be saved and loaded in Unity after the Unity Whirld library has been added to the software. While some of the world features are supported in UTW files, some others may not be, including meshes and textures.

The first game developed using UTW files was Mars Explorer, which has since been succeeded by Syn3h.

NOTE: The UTW file extension was replaced by the .WHIRLD extension in Whirld 4.

About UTW Files

Our goal is to help you understand what a file with a *.utw suffix is and how to open it.

The Unity Whirld file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.